FHN finding: Frequent and/or Nocturnal HD lowers blood pressure

In the Frequent Hemodialysis Network trials, those randomized to short daily HD had systolic BP an average of 7.7 points lower than those in the standard HD group. Diastolic BP came down an average of 3.9 points. Fewer BP meds were needed. Those who did nocturnal HD had systolic BP an average of 7.3 points lower, and diastolic an average of 4.2 points lower.